MCQ
Mark $(\checkmark)$ against the correct answer in the following:
How many envelopes can be made out of a sheet of paper $72\ cm$ by $48\ cm$, if each envelope requires a paper of size $18\ cm$ by $12\ cm?$
  • A
    $4$
  • B
    $8$
  • C
    $12$
  • $16$

Answer

Correct option: D.
$16$

Length of a sheet $(l) = 72 \ cm$
and breadth $(b) = 48 \ cm$
Area $= l x b = 72 \times 48 \ cm^2$
Area of paper for one envelope $= 18 \times 12\ cm^2$
No. of envelopes $=\frac{72\times 48}{18\times 12}=16$

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